Home / 10,666,881.54-14,720,335.55-5,772,103.68

Finding the Fourth Proportional to 10,666,881.54, 14,720,335.55 and 5,772,103.68

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Solution

The fourth proportional to 10,666,881.54, 14,720,335.55 and 5,772,103.68 is: 7,965,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666,881.54 : 14,720,335.55 = 5,772,103.68 : x
  2. Step 2: Convert to fraction form
    10,666,881.54/14,720,335.55 = 5,772,103.68/x
  3. Step 3: Cross multiply
    10,666,881.54x = 14,720,335.55 × 5,772,103.68
  4. Step 4: Simplify right side
    10,666,881.54x = 84,967,302,998,989.83
  5. Step 5: Solve for x
    x = 84,967,302,998,989.83/10,666,881.54
  6. Step 6: Final answer
    x = 7,965,524.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.